LiHeYi 3" Silent Quartz Analog Twin Bell Alarm Clock with Nightlight and Loud Alarm (Silver, 3") Silent, no ticking to ensure a good sleep and best working environment. Shell material: high quality metal case. Electroplating guarantees colors keep shinning and bright. Button for backlight: press the light button, time will be clearly visible at night. Super loud alarm sound for heavy sleepers. Aluminium dial analog, has clearly legible hands and numbers.